hi list any person using ser and Asterisk as B2bUA. what is the best way of using asterisk as B2BUA. i can route calls to through asterisk its working but some time one UA tries to hangup the call and the other side is not able to receive Bye what could be the best way of using asterisk for monitering voice Thanks Kamran __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com